<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <!-- 调整浏览器地址栏的颜色，仅适用于移动端且原生的安卓系统 -->
    <meta name="theme-color" content="#000000" />
    <!-- 网页说明 -->
    <meta
      name="description"
      content="Web site created using create-react-app"
    />
    <!-- ios系统中网页添加到桌面后的图标 -->
    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
    <!--
      manifest.json provides metadata used when your web app is installed on a
      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
    -->
    <!-- 提供了当你的web应用安装在用户的移动设备或桌面时使用的元数据。  应用加壳-->
    <!-- <link rel="manifest" href="%PUBLIC_URL%/manifest.json" /> -->
    <!--
      Notice the use of %PUBLIC_URL% in the tags above.
      It will be replaced with the URL of the `public` folder during the build.
      Only files inside the `public` folder can be referenced from the HTML.  -->
    <!-- 注意上面标记中%PUBLIC_URL%的使用。  
      它将在构建过程中被替换为' public '文件夹的URL。  
      只有“public”文件夹中的文件才能被HTML引用。   -->
    <!-- Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
      work correctly both with client-side routing and a non-root public URL.
      Learn how to configure a non-root public URL by running `npm run build`.  -->
    <!-- 不像"/favicon.ico"或"favicon.ico"， "%PUBLIC_URL%/favicon.ico"将  
      客户端路由和非根公共URL都能正常工作。  
      通过运行' npm run build '来学习如何配置一个非根公共URL。 -->
    <title>React App</title>
  </head>
  <body>
    <noscript>You need to enable JavaScript to run this app.</noscript>
    <div id="root"></div>
    <!--
      This HTML file is a template.
      If you open it directly in the browser, you will see an empty page.

      You can add webfonts, meta tags, or analytics to this file.
      The build step will place the bundled scripts into the <body> tag.

      To begin the development, run `npm start` or `yarn start`.
      To create a production bundle, use `npm run build` or `yarn build`.
    -->
  </body>
</html>
